142057632 has 48 divisors (see below), whose sum is σ = 374092992. Its totient is φ = 47201280.

The previous prime is 142057607. The next prime is 142057651. The reversal of 142057632 is 236750241.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 142057632.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30157 + ... + 34547.

It is an arithmetic number, because the mean of its divisors is an integer number (7793604).

Almost surely, 2^142057632 is an apocalyptic number.

142057632 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

142057632 is an abundant number, since it is smaller than the sum of its proper divisors (232035360).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142057632 is a wasteful number, since it uses less digits than its factorization.

142057632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4741 (or 4733 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 142057632 is about 11918.7932275042. The cubic root of 142057632 is about 521.7809153877.

The spelling of 142057632 in words is "one hundred forty-two million, fifty-seven thousand, six hundred thirty-two".